Diffusion Approximations and Optimal Control of Queueing Systems in Heavy-Traffic Ananda Weerasinghe Iowa State University Professor of Mathematics “The method of diffusion approximations provides a powerful tool to analyze complex queueing systems under ``heavy traffic conditions.’’ We first introduce such... Read More

Some Questions in Harmonic Analysis Involving Curvature Betsy Stovall University of Wisconsin-Madison Assistant Professor of Mathematics “We will describe some open and recently solved questions in Harmonic Analysis where curvature plays a crucial role. In particular, we will discuss how... Read More

Wiener's Lemma and Applications Qiyu Sun University of Central Florida Professor of Mathematics “The classical Wiener's lemma states that if f(x) is a function with an absolutely convergent Fourier series, which nowhere vanishes for real arguments, 1/f(x) has an absolutely... Read More

Maximal Subgroups in Direct Products of Groups Dr. Dandrielle Lewis University of Wisconsin-Eau Claire Associate Professor of Mathematics “Given a direct product of groups, G and H, and information on the subgroups of G and H, what can one say... Read More